package com.wanxi.control.dao.impl;

import com.wanxi.control.dao.UserDao;
import com.wanxi.control.model.UserModel;

public class UserDaoImpl implements UserDao {
    @Override
    public UserModel findByUserName(String userName) {
        String sql ="select * from user where username = '"+userName+"'";
        return null;
    }
}
